Instruction/ maintenance manual of the product BEFSR81 Linksys
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A Division of Cisco Systems, Inc . ® Model No . WIRED with 8-Port Switch Cable/DSL Router BEFSR81 User Guide EtherFast ®.
EtherFast Cable/DSL Router with 8-P ort Switch Copyright and T rademarks Linksys is a registered trademark or trademark of Cisco Systems, Inc . and/or its affiliates in the U.S . and certain other countries. Copyright © 2003 Cisco Systems, Inc . All rights reser ved.
EtherFast Cable/DSL Router with 8-P ort Switch Table of Contents Chapter 1: Introduction 1 Welcome 1 What’s in this Guide? 2 Chapter 2: Networking Basics 4 An Introduction to LANs 4 The Use of IP Ad.
EtherFast Cable/DSL Router with 8-P ort Switch UPnP Forwarding 30 DMZ 31 QoS 32 Management 33 Log 35 Factory Defaults 36 Firmware Upgrade 37 Router 37 Local Network 38 Appendix A: Troubleshooting 39 C.
EtherFast Cable/DSL Router with 8-P ort Switch List of Figures Figure 3-1: Back Panel 6 Figure 3-2: Front Panel 7 Figure 4-1: Example of a Typical Network 8 Figure 4-2: Connect a PC 9 Figure 4-3: Conn.
EtherFast Cable/DSL Router with 8-P ort Switch Figure 7-9: DDNS Disabled 23 Figure 7-10: DDNS Using DynDNS.org 24 Figure 7-11: DDNS Using TZO.com 24 Figure 7-12: MAC Clone 25 Figure 7-13: Advanced Rou.
1 Chapter 1: Introductio n Welcome EtherFast Cable/DSL Router with 8-P ort Switch Chapter 1: Introduction We lc o m e Thank you for choosing the EtherFast Cable/DSL Router with 8- Port Switch. This Router will allow your computers to share a high-speed Internet connection as w ell as resources, including files and printers.
2 Chapter 1: Introductio n What’s in this Guide? EtherFast Cable/DSL Router with 8-P ort Switch What’ s in this Gu ide? This user guide covers the basic steps for setting up a network with a router .
3 Chapter 1: Introductio n What’s in this Guide? EtherFast Cable/DSL Router with 8-P ort Switch • Appendix D: Windows Help This appendix describes how you can use Windows Help fo r instructions about networking , such as installing the TCP/IP protocol.
4 Chapter 2: Networking Basics An Introduction to LANs EtherFast Cable/DSL Router with 8-P ort Switch Chapter 2: Networking Basics An Introduction to LANs Simply put, a router is a network device that connects two networks together . The Router connects your local area network (LAN), or the group of PCs in your home or office , to the Internet.
5 Chapter 2: Networking Basics The Use of IP Addresses EtherFast Cable/DSL Router with 8-P ort Switch A DHCP server can either be a designated PC on the network or another network device , such as the Router . By default, the Router’s Internet Connection T ype is Obt ain an IP auto matically (DHCP ).
6 Chapter 3: Getting to Kn ow the Router The Back Panel EtherFast Cable/DSL Router with 8-P ort Switch Chapter 3: Getting to Know the Router The Back P anel The Router’s ports and the Reset button are located on the back panel of the Router . Internet This Internet port connects to your cable or DSL modem.
7 Chapter 3: Getting to Kn ow the Router The Front Panel EtherFast Cable/DSL Router with 8-P ort Switch The Front P anel The Router’ s LEDs, which inform you about netwo rk activities, are located on the front panel. QoS Green. The QoS LED lights up when the QoS feature is active .
8 Chapter 4: Connecting the Rou ter Overview EtherFast Cable/DSL Router with 8-P ort Switch Chapter 4: Connecting the Router Overview T o set up your network, do the following: • Connect the Router to one of you r PCs. • If necessar y , configure your PCs to obtain an IP addr ess automatically from the Rou ter .
9 Chapter 4: Connecting the Rou ter Connection Instructions EtherFast Cable/DSL Router with 8-P ort Switch Connection Instructions 1. Before you begin, make sure that all of your hardware is power ed off , includin g the Router , PCs, hubs, switches, and cable or DSL modem.
10 Chapter 5: Configuring th e PCs Overview EtherFast Cable/DSL Router with 8-P ort Switch Chapter 5: Configuring the PCs Overview The instructions in this chapter will help you configure each of your computers so they will be able to communicate with the Router .
11 Chapter 5: Configuring th e PCs Configuring Windows 2000 PCs EtherFast Cable/DSL Router with 8-P ort Switch 5. Click the OK button again. Windows may ask you for the original Windows installation disk or additional files. Supply them by pointing to the correct file location, e .
12 Chapter 5: Configuring th e PCs Configuring Windows XP PCs EtherFast Cable/DSL Router with 8-P ort Switch 3. Select Internet Protocol (TCP/IP) , and click the Properties button. See Figure 5-5. 4. Select Obtain an I P address automatically (see Figure 5-6).
13 Chapter 6: Configuring th e Router Overview EtherFast Cable/DSL Router with 8-P ort Switch Chapter 6: Configuring the Router Overview The instructions from your ISP tell you how to set up your PC for Inter net access.
14 Chapter 6: Configuring th e Router Instructions EtherFast Cable/DSL Router with 8-P ort Switch Obtain an IP Automatically or DHCP If your ISP says that you are connecting through DHCP or a dyna mic IP address from your ISP , perfo rm these steps: A Select Obtain an IP autom atically as the Inter net Connection T ype, as shown in Figure 6-3.
15 Chapter 6: Configuring th e Router Instructions EtherFast Cable/DSL Router with 8-P ort Switch PPPoE If your ISP says that you are connecting through a PPPoE or you normally enter a user name and password to access the Internet, perform th ese steps: A Select PPPoE as the Internet Connection T ype , as shown in Figure 6-5.
16 Chapter 6: Configuring th e Router Instructions EtherFast Cable/DSL Router with 8-P ort Switch PPTP PPTP (shown in Figure 6-7) is a service used in Europe and Israel only . If you are using a PPTP connection, check with your ISP for the necessar y setup information.
17 Chapter 7: Using The Router’s We b-based Utility Overview EtherFast Cable/DSL Router with 8-P ort Switch Chapter 7: Using The Router’ s W eb-based Utility Overview For your convenience , use the Router’s W eb-ba sed Utili ty to administer it.
18 Chapter 7: Using The Router’s We b-based Utility Quick and Easy Administration EtherFast Cable/DSL Router with 8-P ort Switch • VPN Passthrough. T o enable or disable IPSec , PP PoE, and/or PPTP Passthrough, use this screen. Applications & Ga ming • Port Range Forwarding.
19 Chapter 7: Using The Router’s We b-based Utility Basic Setup EtherFast Cable/DSL Router with 8-P ort Switch When finished making your changes on a tab, clic k the Sav e Settings button to save the changes, or click the Cancel Changes button to undo your changes.
20 Chapter 7: Using The Router’s We b-based Utility Basic Setup EtherFast Cable/DSL Router with 8-P ort Switch • User Name and Password. Enter the User Name and Password provided by your ISP . • Service Name. If provided b y your ISP , enter the Ser vice Name .
21 Chapter 7: Using The Router’s We b-based Utility Basic Setup EtherFast Cable/DSL Router with 8-P ort Switch • Keep Alive Option and Redial Period. This option keeps your RAS-enabled Internet access connected indefinitely , even when it sits idle.
22 Chapter 7: Using The Router’s We b-based Utility Basic Setup EtherFast Cable/DSL Router with 8-P ort Switch • User Name and Password. Enter the User Name and Password provided by your ISP . • Heart Beat Server . This is the IP address that the Router h as, when seen from the Internet.
23 Chapter 7: Using The Router’s We b-based Utility DDNS EtherFast Cable/DSL Router with 8-P ort Switch Network Address Server Settings (DHCP) A Dynamic Host Configuration Protocol (DHCP) ser ver au tomatically assigns an IP address to each PC on your network for you.
24 Chapter 7: Using The Router’s We b-based Utility MAC Address Clone EtherFast Cable/DSL Router with 8-P ort Switch DDNS • DDNS Service. If your DDNS service is provided by DynDNS .org, then select DynDNS.org from the drop-down menu. If your DDNS ser vice is provided by TZO , then select TZO.
25 Chapter 7: Using The Router’s We b-based Utility Advanced Routing EtherFast Cable/DSL Router with 8-P ort Switch MAC Clone • MAC Clone Service T o use MAC address cloning, select Enab le . See Figure 7-12. • MAC Address. T o manually clone a MAC address, enter the 12 digits of your adapter ’ s MAC add ress in the on- screen fields.
26 Chapter 7: Using The Router’s We b-based Utility Filter EtherFast Cable/DSL Router with 8-P ort Switch • Select Entry . Select the number of t he static route from the drop-down menu. The Router supports up to 20 static route entries. • Delete Entry .
27 Chapter 7: Using The Router’s We b-based Utility Filter EtherFast Cable/DSL Router with 8-P ort Switch Filter IP Address Range T o set up a filter using IP addresses, enter the range of IP addresses you wish to filter in the Start and End fields.
28 Chapter 7: Using The Router’s We b-based Utility VPN Passthrough EtherFast Cable/DSL Router with 8-P ort Switch VPN P assthrough The VPN Passthrough screen allows you to enable or disable passthrough for a variety of VPN methods. See Figure 7-17.
29 Chapter 7: Using The Router’s We b-based Utility Port Trigger ing EtherFast Cable/DSL Router with 8-P ort Switch • Application. Enter the name of the application. • Start and End. Enter the number or range of external port(s) used by the serv er or Internet application.
30 Chapter 7: Using The Router’s We b-based Utility UPnP Forwarding EtherFast Cable/DSL Router with 8-P ort Switch • Start Port. Enter the starting port number of the Forwarded Range . • End Port. Enter the ending port number of the Fo rwarded Range .
31 Chapter 7: Using The Router’s We b-based Utility DMZ EtherFast Cable/DSL Router with 8-P ort Switch • HTTP (HyperT ext T ransport Protocol). The comm unicat ions protocol used to connect to ser vers on the World Wide W eb. Its primary function is to establish a connection with a web ser ver and transmit HTML pages to the client web browser .
32 Chapter 7: Using The Router’s We b-based Utility QoS EtherFast Cable/DSL Router with 8-P ort Switch DMZ • DMZ. T o use this feature , select Enable . T o disable DMZ hosting, select Disable (see Fig ure 7-21). • DMZ Host IP Address. T o expose one PC, enter the computer’ s IP address.
33 Chapter 7: Using The Router’s We b-based Utility Management EtherFast Cable/DSL Router with 8-P ort Switch • SMTP (Simple Mail T ransfer Protocol). The standard e-mail prot ocol on the Internet. It is a TCP /IP protocol that defines the message format and the message transfer agent (MT A), which stores and forwards the mail.
34 Chapter 7: Using The Router’s We b-based Utility Management EtherFast Cable/DSL Router with 8-P ort Switch Remote Router Access This feature allows you to access the Router from a remote location, via the Inter net. • Remote Upgrade . Remote Upgrade allows you to upgrade the Router’s firmware from a remote location.
35 Chapter 7: Using The Router’s We b-based Utility Log EtherFast Cable/DSL Router with 8-P ort Switch • SNMP T rusted Host. Y ou can restrict access to the Router’s SNMP information by IP address. Enter the IP address or range of IP addresses in the SNMP T rusted Host field.
36 Chapter 7: Using The Router’s We b-based Utility Factory Defaults EtherFast Cable/DSL Router with 8-P ort Switch • Incoming Log. Click the In coming Log button to view a temporary log of the Source IP addresses and Destination Port Numbers for all the incoming Internet traffic.
37 Chapter 7: Using The Router’s We b-based Utility Firmware Upgrade EtherFast Cable/DSL Router with 8-P ort Switch Firmwar e Upgrade The Firmware Upgrade screen allows you to upgrade the Router’s firmware . Before upgrading the firmware , download the Router ’ s fir mware upgrade file from the Linksys website , www .
38 Chapter 7: Using The Router’s We b-based Utility Local Network EtherFast Cable/DSL Router with 8-P ort Switch • Login Status. The status of the connection is displayed only for PPPoE , RAS, PPTP , or Heart Be at Sig nal connections.
39 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch Appendix A: T roubleshooting This appendix provides solutions to problems that may occur during the installation and operation of the Router .
40 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch B . Right-click the Local Area Connection that is associated with the Etherne t adapter you are using, and select the Properties option.
41 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch 2. I want to test my Internet connection. A. Check your TCP/IP settings. For Windows 98 and Millennium: Refer to Windows Help and “Chapter 5: Configuring the PCs” for details.
42 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch • For Windows 98 and Millennium, click Start and Run . In the Open field, type comman d . Press the Enter key or click the OK button. • For Windows 2000 and XP , click Start and Ru n .
43 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch 4. I am not able to access the Router’ s Web-based Utility Setup page. A. Refer to “Problem #2, I want to test my Internet c onnection” to verify that your computer is properly connected to the Router .
44 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch documentation provided with the server yo u installed. Follow these steps to set up port forwarding through the Router’s W eb-ba sed Utility .
45 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch D . Select the protocol you will be using, TCP or UDP , or select Both . E. Enter the IP address of the PC or network device that you want the port server to go to.
46 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch 9. I forgot my pa ssword, or the password prompt always appears when saving settings to the Router . Reset the Router to factory default by pressing the Reset button for 30 seconds and then releasing it.
47 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch B . T o upgrade the firmware , follow the steps in the Upgrade section found in “Chapter 7: Using the Router’s Web-based Utility” or “ Appendix B: Upg rading Firmware .
48 Appendix A: Troublesh ooting Common Problems and So lutions EtherFast Cable/DSL Router with 8-P ort Switch A. T o connect to the Router , go to the web browser , and enter http://192.1 68.1.1 or the IP address of the Router . B . Enter the password, if asked.
49 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 8-P ort Switch set to Never dia l a connect ion . For Netscape Navigator , click Edit , Preferences , Advanced , and Proxy . Make sure that Netscape Navigator is set to Dir ect connection to the Internet .
50 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 8-P ort Switch I set up an Unr eal T ournament Ser ver , but others on the LAN cannot join.
51 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 8-P ort Switch new features that you would like to use . Downloading a more current version of Router fir m ware will not enhance the quality or speed of your Internet connection, and m ay disrupt your current connection stability .
52 Appendix A: Troublesh ooting Frequently Asked Questions EtherFast Cable/DSL Router with 8-P ort Switch What is the maximum number of VP N sessions allowed by the Router? The maximum number depends on many facto rs.
53 Appendix B: Upgradin g Firmware EtherFast Cable/DSL Router with 8-P ort Switch Appendix B: Upgrading Firmware Y ou can use the Router’s W e b-ba sed Utility to upgrade the firmware; however , if you do so, you may lose the settings you have configured on the Router .
54 Appendix C: Findin g the MAC Add ress and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions EtherFast Cable/DSL Router with 8-P ort Switch Appendix C: Finding the MA C Address and .
55 Appendix C: Findin g the MAC Add ress and IP Address for Your Ethernet Adapter For the Router’s Web-based Utility EtherFast Cable/DSL Router with 8-P ort Switch 3. Write down the Physical Address as shown on your computer screen (Figure C-3); it is the MAC address for your Ethernet adapter .
56 Appendi x D: Wind ows Help EtherFast Cable/DSL Router with 8-P ort Switch Appendix D: Windows Help All networking products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier .
57 Appendix E: Glossary EtherFast Cable/DSL Router with 8-P ort Switch Appendix E: Glossar y 802.11a - An IEEE wireless networking standard that specifies a maximum data transfer rate of 54Mbps and an operating frequency of 5GHz.
58 Appendix E: Glossary EtherFast Cable/DSL Router with 8-P ort Switch Buffer - A block of memor y that temporarily holds data to be worked on later when a device is currently too busy to accept the data. Cable Modem - A device that con nects a computer to the cable television network, which in tur n connects to the Internet.
59 Appendix E: Glossary EtherFast Cable/DSL Router with 8-P ort Switch Dynamic IP Address - A temporar y IP address assigned by a DHCP server . Encryption - Encoding data to prevent it from being read by unauthorized people .
60 Appendix E: Glossary EtherFast Cable/DSL Router with 8-P ort Switch IPCONFIG - A Windows 2000 and XP utility that displays the IP address for a particular networking device. IPSec (Internet Pro tocol Security) - A VPN protocol used to implement secure exchange of packets at the IP layer .
61 Appendix E: Glossary EtherFast Cable/DSL Router with 8-P ort Switch PPP oE (Point to Point Proto col over Ethernet) - A type of broadband connection that provides authentication (username and password) in addition to data transport.
62 Appendix E: Glossary EtherFast Cable/DSL Router with 8-P ort Switch TCP/IP (T ransmission Control Protocol/Inter net Protocol) - A network protocol fo r transmitting data that requires acknowledgement from the recipient of data sent. Te l n e t - A user command and TCP/IP protocol used for accessing remote PCs.
63 Appendix F: Specifications EtherFast Cable/DSL Router with 8-P ort Switch Appendix F: Specifications Standards IEEE 802.3 (10BaseT), 802.3u (100BaseTX) Ports One 10/100 RJ-45 Port for Broadband Mod.
64 Appendix G: Warranty Information EtherFast Cable/DSL Rout er with 8-P ort Switch Appendix G: W arranty Information LIMITED WARRANTY Linksys warrants to the original end user purchaser (“Y ou”) .
65 Appendix H: Regulatory Inf ormation EtherFast Cable/DSL Router with 8-P ort Switch Appendix H: Regulator y Information FCC ST A TEMENT This product has been tested and complies with the specification s for a Class B digital device, pursuant to Part 15 of the FCC Rules.
66 Appendix I: Contact Information EtherFast Cable/DSL Router with 8-P ort Switch Appendix I: Contact Information Need to contact Linksys? Visit us online for information on the latest products and updates to your existing products at: http://www .linksys.
An important point after buying a device Linksys BEFSR81 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Linksys BEFSR81 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Linksys BEFSR81 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Linksys BEFSR81 you will learn all the available features of the product, as well as information on its operation. The information that you get Linksys BEFSR81 will certainly help you make a decision on the purchase.
If you already are a holder of Linksys BEFSR81, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Linksys BEFSR81.
However, one of the most important roles played by the user manual is to help in solving problems with Linksys BEFSR81. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Linksys BEFSR81 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
